* {
  box-sizing: border-box;
}

html {
  background: var(--color-canvas);
  color: var(--color-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-wrap: anywhere;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent-strong);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

:focus-visible {
  border-radius: var(--radius-sm);
  outline: 0.16rem solid var(--color-focus);
  outline-offset: 0.2rem;
  box-shadow: var(--focus-ring);
}

.shell {
  width: min(100% - 2rem, var(--content-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 10;
  inset-block-start: var(--space-3);
  inset-inline-start: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 700;
  transform: translateY(-200%);
  max-width: calc(100vw - 24px);
  overflow-wrap: anywhere;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-block-end: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-header__inner {
  min-height: 4.5rem;
  flex-wrap: wrap;
  padding-block: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  max-width: 34rem;
  color: var(--color-text);
  text-decoration: none;
}

.brand__context,
.brand__name {
  display: block;
}

.brand__context,
.eyebrow,
.boundary__label {
  color: var(--color-accent-strong);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.brand__name {
  font-size: clamp(1rem, 2vw, 1.18rem);
  font-weight: 720;
}

.nav-link {
  display: inline-block;
  min-height: 2.75rem;
  padding: 0.65rem var(--space-3);
  color: var(--color-text);
  font-weight: 650;
  text-decoration: none;
}

.nav-link:hover {
  text-decoration: underline;
}

.nav-link[aria-current="page"] {
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
}

.nav-form {
  display: inline-flex;
  margin: 0;
}

.nav-button {
  min-height: 2.75rem;
  padding: 0.65rem var(--space-3);
  border: 0;
  background: transparent;
  color: var(--color-accent-strong);
  font: inherit;
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  cursor: pointer;
}

.main-content {
  flex: 1;
  padding-block: var(--space-5) var(--space-7);
}

.main-content:focus {
  outline: none;
  box-shadow: none;
}

.authority-notice {
  max-width: var(--content-width);
  margin-block-end: var(--space-5);
  padding: var(--space-3) var(--space-4);
  border-inline-start: 0.3rem solid var(--color-notice);
  background: var(--color-notice-bg);
  color: var(--color-notice);
}

.page-header {
  max-width: var(--text-width);
  margin-block-end: var(--space-6);
}

.page-header--compact {
  margin-block-start: var(--space-7);
}

.eyebrow,
.boundary__label {
  margin: 0 0 var(--space-2);
}

h1,
h2 {
  line-height: 1.15;
  text-wrap: balance;
}

h1 {
  max-width: 24ch;
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: -0.025em;
}

h2 {
  margin-block: 0 var(--space-3);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
}

.lede {
  max-width: 65ch;
  margin-block: var(--space-4) 0;
  color: var(--color-muted);
  font-size: 1.0625rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(17rem, 0.8fr);
  gap: var(--space-5);
  align-items: start;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: var(--space-3) 0 var(--space-3) 1.75rem;
  border-block-end: 1px solid var(--color-border);
}

.check-list li::before {
  position: absolute;
  inset-inline-start: 0;
  content: "✓";
  color: var(--color-accent-strong);
  font-weight: 800;
}

.boundary {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.boundary > p:not(.boundary__label) {
  color: var(--color-muted);
}

.gate-meta {
  margin: var(--space-5) 0 0;
  border-block-start: 1px solid var(--color-border);
}

.gate-meta div {
  display: grid;
  grid-template-columns: minmax(5rem, 0.7fr) minmax(0, 1.3fr);
  gap: var(--space-3);
  padding-block: var(--space-2);
  border-block-end: 1px solid var(--color-border);
}

.gate-meta dt {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.gate-meta dd {
  margin: 0;
  font-weight: 700;
}

.site-footer {
  padding-block: var(--space-5);
  border-block-start: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.text-link {
  font-weight: 700;
}

.button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-action);
  color: var(--color-on-action);
  font: inherit;
  font-weight: 750;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: var(--color-action-hover);
  text-decoration: none;
}

.auth-layout {
  max-width: 42rem;
}

.form-card {
  max-width: 32rem;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.form-help {
  max-width: 32rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.form-field {
  margin-block-end: var(--space-4);
}

.form-field label,
.form-card label {
  display: block;
  margin-block-end: var(--space-2);
  font-weight: 720;
}

.form-card input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
.form-card select,
.form-card textarea,
.form-field input:not([type="checkbox"]):not([type="radio"]),
.form-field select,
.form-field textarea,
.toolbar input:not([type="checkbox"]):not([type="radio"]),
.toolbar select {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-control-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 25rem), 1fr));
  gap: var(--space-6);
  align-items: start;
}
.catalog-grid > section { min-width: 0; }
.catalog-list { padding: 0; list-style: none; }
.catalog-list > li {
  padding: var(--space-4) 0;
  border-block-end: 1px solid var(--color-border);
}
.catalog-list .toolbar { margin-block-start: var(--space-3); }
.catalog-grid .form-card { max-width: none; }
.operations-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin-block: var(--space-4) var(--space-6);
  padding-block-end: var(--space-3);
  border-block-end: 1px solid var(--color-border);
}
.operations-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  font-weight: 650;
}
.operations-nav a[aria-current="page"] {
  text-decoration-thickness: 0.18em;
  text-underline-offset: 0.3em;
}
.operations-nav ~ .form-card,
.operations-nav ~ .table-region { margin-block: var(--space-5); }

.feedback {
  padding: var(--space-3) var(--space-4);
  margin-block-end: var(--space-4);
  border-inline-start: 0.25rem solid var(--color-action);
  background: var(--color-surface);
}

.feedback p { margin: 0; }

.form-card .helptext {
  display: block;
  margin-block-start: var(--space-2);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.filter-panel { margin-block: var(--space-5); }
.filter-panel .toolbar { margin-block-start: var(--space-4); }

.error-summary {
  margin-block-end: var(--space-4);
  padding: var(--space-4);
  border-inline-start: 0.3rem solid var(--color-danger);
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.error-summary h2 {
  font-size: 1.15rem;
}

.error-summary p,
.field-error {
  margin-block: var(--space-2) 0;
  color: var(--color-danger);
}

.field-error {
  padding-inline-start: var(--space-5);
}

.assignment-list {
  display: grid;
  gap: var(--space-3);
  max-width: var(--text-width);
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
}

.assignment-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2) var(--space-4);
  align-items: center;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.assignment-list li > span {
  color: var(--color-muted);
}

.assignment-list form {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.empty-state,
.action-panel {
  max-width: var(--text-width);
  margin-block: var(--space-5);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.table-region {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.table-hint {
  display: none;
  max-width: var(--text-width);
  color: var(--color-muted);
  font-weight: 650;
}

table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
}

caption {
  padding: var(--space-4);
  font-weight: 750;
  text-align: start;
}

th,
td {
  padding: var(--space-3) var(--space-4);
  border-block-start: 1px solid var(--color-border);
  text-align: start;
  vertical-align: top;
}

thead th {
  color: var(--color-muted);
  background: var(--color-canvas);
  font-size: 0.85rem;
}

/* Shared SSR layouts: keep controls and long synthetic codes contained. */
.workspace-grid,
.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.workspace-grid > *,
.detail-grid > *,
.form-grid > *,
.toolbar > * {
  min-width: 0;
}

.workspace-actions {
  display: grid;
  gap: var(--space-5);
}

.workspace-actions .action-panel,
.detail-grid .action-panel {
  max-width: none;
  margin: 0;
}

.boundary > :last-child,
.action-panel > :last-child,
.empty-state > :last-child {
  margin-block-end: 0;
}

.action-panel > form + form {
  margin-block-start: var(--space-4);
  padding-block-start: var(--space-4);
  border-block-start: 1px solid var(--color-border);
}

.toolbar,
.form-actions,
.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
  margin-block: var(--space-5);
}

.toolbar {
  justify-content: space-between;
}

.toolbar .form-field {
  flex: 1 1 12rem;
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-4);
}

.form-grid .form-field {
  margin: 0;
}

.form-field textarea {
  min-height: 7rem;
  resize: vertical;
}

.form-field input[type="checkbox"],
.form-field input[type="radio"] {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--color-action);
  vertical-align: middle;
}

.form-field [aria-invalid="true"] {
  border-color: var(--color-danger);
  border-width: 2px;
}

.form-field .form-help {
  margin-block: var(--space-2) 0;
}

.errorlist {
  margin-block: var(--space-2) var(--space-3);
  padding-inline-start: var(--space-5);
  color: var(--color-danger);
}

p.field-error {
  padding-inline-start: 0;
}

.error-summary h3 {
  margin-block: 0 var(--space-2);
  font-size: 1.0625rem;
}

.button {
  max-width: 100%;
}

.button--secondary {
  border-color: var(--color-control-border);
  background: var(--color-surface);
  color: var(--color-accent-strong);
}

.button--secondary:hover {
  background: var(--color-accent-soft);
}

.button:disabled,
.button[aria-disabled="true"] {
  border-color: var(--color-border);
  background: var(--color-canvas);
  color: var(--color-muted);
  cursor: not-allowed;
}

.status-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.4;
}

tbody tr:hover,
tbody tr:focus-within {
  background: var(--color-canvas);
}

table {
  font-variant-numeric: tabular-nums;
}

tbody th a {
  display: inline-block;
  padding-block: var(--space-1);
}

.table-region {
  overscroll-behavior-inline: contain;
}

.revision-panel {
  margin-block-start: var(--space-5);
}

.revision-list {
  margin: 0;
  padding-inline-start: var(--space-5);
}

.revision-list li {
  padding: var(--space-3) 0 var(--space-3) var(--space-2);
}

.revision-list li + li {
  border-block-start: 1px solid var(--color-border);
}

.revision-list p {
  margin-block: var(--space-1);
}

.revision-list time {
  color: var(--color-muted);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.stat-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: var(--space-4);
  margin-block: var(--space-5);
}

.stat-list > div {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.stat-list dt {
  color: var(--color-muted);
}

.stat-list dd {
  margin: var(--space-2) 0 0;
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.pagination a,
.pagination [aria-current="page"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

.pagination [aria-current="page"] {
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  font-weight: 700;
}

@media (min-width: 56rem) {
  .workspace-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .detail-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (max-width: 40rem) {
  .shell {
    width: calc(100% - 32px);
  }

  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: var(--space-4);
  }

  .site-header nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .nav-link,
  .nav-form,
  .nav-button {
    width: 100%;
    text-align: center;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .nav-link,
  .nav-button {
    padding: 8px 12px;
  }

  .authority-notice {
    padding: 12px 16px;
  }

  .form-card,
  .error-summary,
  .empty-state,
  .action-panel,
  .boundary {
    padding: 16px;
  }

  .button {
    padding: 8px 16px;
  }

  .table-hint {
    display: block;
  }

  .assignment-list li {
    grid-template-columns: 1fr;
  }

  .assignment-list form {
    grid-column: 1;
    grid-row: auto;
  }

  .assignment-list .button {
    width: 100%;
  }
}

@media (max-width: 24rem) {
  .main-content {
    padding-block-start: var(--space-5);
  }

  .gate-meta div {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }

  .toolbar .button,
  .form-card > .button,
  .action-panel form > .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}